Friday Harbor Airport Weather Forecast

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    • 45

    Rain/Snow

    • 45
    • 53

    Rain

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    • 53

    Rain

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    • 54

    Rain

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    • 54

    Rain

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    • 53

    Chance Rain

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    Chance Rain

Today 15 Mar San Juan County

Cloudy in the Morning, then a slight chance of rain early in the afternoon. Cloudy with rain and snow likely late in the afternoon. Snow level near 1000 feet. No snow accumulation. Highs in the 40s. Light wind.

Tonight 15 Mar San Juan County

A slight chance of snow in the evening. Rain. No snow accumulation. Lows in the mid 30s to lower 40s. Southeast wind 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

March Temperature

Friday Harbor Airport (0 miles)

  • Lowest 10 March, 2026

    30 °F

  • Average March

    43.9 °F

  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (0 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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